PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILP5453TYPEAPump Unit,rotary

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4320-00-449-2189 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-449-2189 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-449-2189. Primary manufacturer part number: MILP5453TYPEA.
Features
  • Pump Unit,rotary — FSC 4320
  • Intake Connection Quantity: 1
  • Prime Mover Quantity: 1
  • Prime Mover Power Rating: 0.013 HORSEPOWER
  • Pumping Element Operating Position: HORIZONTAL
  • Prime Mover Cooling Medium: AIR
  • Voltage in Volts: 27.0
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-00-449-2189, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-449-2189
Primary Part NumberMILP5453TYPEA
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Intake Connection Quantity1
Prime Mover Quantity1
Prime Mover Power Rating0.013 HORSEPOWER
Pumping Element Operating PositionHORIZONTAL
Prime Mover Cooling MediumAIR
Voltage in Volts27.0
Media for Which DesignedHYDROCARBON FUELS AND OILS
Operating Speed at Rated Capacity13000.0 REVOLUTIONS PER MINUTE
Prime Mover TypeELECTRIC MOTOR
Inclosure TypeFULLY INCLOSED
Current TypeDC
Maximum Discharge Flow Rate0.1 GALLONS PER MINUTE
Discharge Connection Thread Size and Series/type Designator0.438-20 UNF
Intake Connection Thread Size and Series/type Designator0.438-20 UNF
Environmental ProtectionDUST-IGNITION PROOF
Discharge Connection Quantity2
Operation Relationship DesignSIMULTANEOUS
Pump Quantity1
Intake Connection TypeTHREADED INTERNAL
Rotary Pump DesignCAM AND PISTON
Discharge Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-007-0439 INTERCHANGEABLE
Counter,timer,test
6635-00-052-6264 INTERCHANGEABLE
Balancing Machine,dynamic-Static
4730-00-084-7436 INTERCHANGEABLE
Coupling Half,quick Disconnect
3415-00-097-7269 INTERCHANGEABLE
Grinding Machine,drill
5210-00-189-9558 INTERCHANGEABLE
Blade,thickness Gage
5365-00-199-5941100B INTERCHANGEABLE
Spacer,ring
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
3030-00-233-694011350 INTERCHANGEABLE
Belt,v
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
5330-00-251-4747 INTERCHANGEABLE
Gasket
5985-00-257-2927AB-86/GRA-4 INTERCHANGEABLE
Mast
Spencer Industries Inc
5365-00-598-5282 INTERCHANGEABLE
Bushing,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MILP5453TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
100B Weldon Tool Co the (USA)
Related Parts
4920-00-007-0439INTERCHANGEABLE
COUNTER,TIMER,TEST
6635-00-052-6264INTERCHANGEABLE
BALANCING MACHINE,DYNAMIC-STATIC
4730-00-084-7436INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3415-00-097-7269INTERCHANGEABLE
GRINDING MACHINE,DRILL
5210-00-189-9558INTERCHANGEABLE
BLADE,THICKNESS GAGE
5365-00-199-5941INTERCHANGEABLE
SPACER,RING
100B
3030-00-233-6940INTERCHANGEABLE
BELT,V
11350
5330-00-251-4747INTERCHANGEABLE
GASKET
5985-00-257-2927INTERCHANGEABLE
MAST
AB-86/GRA-4
5365-00-598-5282INTERCHANGEABLE
BUSHING,NONMETALLIC
6625-00-854-4043INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
100B
6630-01-071-1557INTERCHANGEABLE
ANALYZER,NITROGEN OXIDES
100B

Frequently Asked Questions

What is NSN 4320-00-449-2189?

NSN 4320-00-449-2189 is a Pump Unit,rotary, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-449-2189?

NSN 4320-00-449-2189 has 2 cross-referenced part numbers: MILP5453TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 100B (Weldon Tool Co the).

What NSN replaces 4320-00-449-2189?

There are 12 known substitutes for 4320-00-449-2189: 4920-00-007-0439, 6635-00-052-6264, 4730-00-084-7436 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILP5453TYPEA?

Key specifications for MILP5453TYPEA: Intake Connection Quantity: 1; Prime Mover Quantity: 1; Prime Mover Power Rating: 0.013 HORSEPOWER; Pumping Element Operating Position: HORIZONTAL. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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